x³-y³=(x-y)(x²+xy+y²) solve it by using proper algebraic expression
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Step-by-step explanation:
x³-y³=(x-y)(x²+xy+y²)
= x(x²+xy+y²)-y(x²+xy+y²)
=x³+x²y+xy²-x²y-xy²-y³
=x³-y³
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